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Message-Id: <1188951309.4442.1.camel@imap.mvista.com> Date: Tue, 04 Sep 2007 17:15:09 -0700 From: Daniel Walker <dwalker@...sta.com> To: Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU> Cc: Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org, planetccrma@...ma.Stanford.EDU Subject: Re: 2.6.22.6 + rt9: suspend/hibernate not working On Tue, 2007-09-04 at 17:12 -0700, Fernando Lopez-Lezcano wrote: > Hi Ingo... I'm getting reports from some of my Planet CCRMA users (which > I confirmed) that the latest rt kernel I released has broken suspend > (tested on fc6 & fc7, stock Fedora kernel works fine - the rt > configuration files are virtual clones as far as possible of the > standard Fedora kernel config files). > > I don't know where to start debugging this. When suspend is initiated it > freezes with a "Stopping tasks ... " message in the text console - a > hard power cycle is the only way to get the machine back to normal. > > kernel/power/process.c seems to contain that string in the > freeze_processes function so it looks like the freezer is not freezing > tasks as no "done" message is ever printed. > > What could we do to help? If you have high resolution timers enabled you could try disabling it, and see if the problem persists . Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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